54245533 has 4 divisors (see below), whose sum is σ = 54260640. Its totient is φ = 54230428.

The previous prime is 54245507. The next prime is 54245539. The reversal of 54245533 is 33554245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54245533 - 2⁹ = 54245021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54245495 and 54245504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54245539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (13565160).

Almost surely, 2^54245533 is an apocalyptic number.

It is an amenable number.

54245533 is a deficient number, since it is larger than the sum of its proper divisors (15107).

54245533 is an equidigital number, since it uses as much as digits as its factorization.

54245533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106.

The product of its digits is 36000, while the sum is 31.

The square root of 54245533 is about 7365.1566853666. The cubic root of 54245533 is about 378.5483233216.

Adding to 54245533 its reverse (33554245), we get a palindrome (87799778).

The spelling of 54245533 in words is "fifty-four million, two hundred forty-five thousand, five hundred thirty-three".